kfifo: use void * pointers for user buffers

[linux-2.6.git] / include / linux / kfifo.h

diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index c4ac88b..6fb495e 100644 (file)
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -104,15 +104,15 @@ union { \
 
 #undef __kfifo_initializer
 
-extern void kfifo_init(struct kfifo *fifo, unsigned char *buffer,
+extern void kfifo_init(struct kfifo *fifo, void *buffer,
                        unsigned int size);
 extern __must_check int kfifo_alloc(struct kfifo *fifo, unsigned int size,
                        gfp_t gfp_mask);
 extern void kfifo_free(struct kfifo *fifo);
 extern unsigned int kfifo_in(struct kfifo *fifo,
-                               const unsigned char *from, unsigned int len);
+                               const void *from, unsigned int len);
 extern __must_check unsigned int kfifo_out(struct kfifo *fifo,
-                               unsigned char *to, unsigned int len);
+                               void *to, unsigned int len);
 
 /**
  * kfifo_reset - removes the entire FIFO contents
@@ -194,7 +194,7 @@ static inline __must_check unsigned int kfifo_avail(struct kfifo *fifo)
  * bytes copied.
  */
 static inline unsigned int kfifo_in_locked(struct kfifo *fifo,
-               const unsigned char *from, unsigned int n, spinlock_t *lock)
+               const void *from, unsigned int n, spinlock_t *lock)
 {
        unsigned long flags;
        unsigned int ret;
@@ -219,7 +219,7 @@ static inline unsigned int kfifo_in_locked(struct kfifo *fifo,
  * @to buffer and returns the number of copied bytes.
  */
 static inline __must_check unsigned int kfifo_out_locked(struct kfifo *fifo,
-       unsigned char *to, unsigned int n, spinlock_t *lock)
+       void *to, unsigned int n, spinlock_t *lock)
 {
        unsigned long flags;
        unsigned int ret;